:root {
  /* Color System */
  --primary-50: #E6F0F9;
  --primary-100: #CCE0F3;
  --primary-200: #99C2E6;
  --primary-300: #66A3DA;
  --primary-400: #3385CD;
  --primary-500: #0066CC;
  --primary-600: #0052A3;
  --primary-700: #003D7A;
  --primary-800: #002952;
  --primary-900: #001429;
  
  --gray-50: #F9F9F9;
  --gray-100: #F2F2F2;
  --gray-200: #E6E6E6;
  --gray-300: #D1D1D6;
  --gray-400: #AEAEB2;
  --gray-500: #8E8E93;
  --gray-600: #636366;
  --gray-700: #48484A;
  --gray-800: #3A3A3C;
  --gray-900: #1C1C1E;
  
  --success-500: #34C759;
  --warning-500: #FF9500;
  --error-500: #FF3B30;
  --info-500: #5AC8FA;
  
  /* Spacing System (8px) */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Z-index */
  --z-header: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-tooltip: 400;
  
  /* Theme */
  --background: var(--gray-50);
  --foreground: var(--gray-900);
  --muted-background: var(--gray-100);
  --muted-foreground: var(--gray-600);
  --card: white;
  --card-foreground: var(--gray-900);
  --border: var(--gray-200);
  --input: var(--gray-300);
  --primary: var(--primary-500);
  --primary-foreground: white;
  --secondary: var(--gray-200);
  --secondary-foreground: var(--gray-800);
  --accent: var(--info-500);
  --accent-foreground: var(--gray-900);
  --success: var(--success-500);
  --warning: var(--warning-500);
  --error: var(--error-500);
  --info: var(--info-500);
  
  /* Container widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

.dark {
  --background: var(--gray-900);
  --foreground: var(--gray-50);
  --muted-background: var(--gray-800);
  --muted-foreground: var(--gray-400);
  --card: var(--gray-800);
  --card-foreground: var(--gray-50);
  --border: var(--gray-700);
  --input: var(--gray-700);
  --primary: var(--primary-400);
  --primary-foreground: var(--gray-900);
  --secondary: var(--gray-700);
  --secondary-foreground: var(--gray-200);
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  overflow-x: hidden;
}

.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  margin-bottom: 0.5em;
  font-weight: 600;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-600);
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

main {
  flex: 1;
}

/* Header */
/* .primary-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  transition: background-color var(--transition-normal), padding var(--transition-normal), box-shadow var(--transition-normal);
  padding: var(--space-6) 0;
}

.primary-header.scrolled {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  padding: var(--space-4) 0;
  box-shadow: var(--shadow-sm);
}

.dark .primary-header.scrolled {
  background-color: rgba(28, 28, 30, 0.9);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
} */

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.logo-icon {
  margin-right: var(--space-2);
  font-size: 1.25em;
}

.primary-nav .nav-list {
  display: flex;
  list-style: none;
  gap: var(--space-6);
  margin: 0;
  padding: 0;
}

.primary-nav a {
  color: var(--foreground);
  font-weight: 500;
  padding: var(--space-2);
  position: relative;
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--primary);
}

.primary-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(1);
  transform-origin: left;
}

.primary-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.primary-nav a:hover::after {
  transform: scaleX(1);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--foreground);
  margin: 5px 0;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  font-size: 1.25rem;
  color: var(--foreground);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle:hover {
  color: var(--primary);
}

.theme-toggle .fa-sun {
  display: none;
}

.theme-toggle .fa-moon {
  display: block;
}

.dark .theme-toggle .fa-sun {
  display: block;
}

.dark .theme-toggle .fa-moon {
  display: none;
}

/* Hero Section */
.hero {
  position: relative;
  padding: var(--space-24) 0;
  display: flex;
  align-items: center;
  min-height: 80vh;
  background: linear-gradient(135deg, var(--primary-500), var(--info-500));
  color: white;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  font-weight: 700;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--space-6);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  opacity: 0.1;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"%3E%3Cpolygon fill="%23ffffff" points="0,100 100,0 100,100"/%3E%3C/svg%3E');
  background-size: 100% 100%;
}

/* Info Cards */
.info-cards {
  position: relative;
  margin-top: -80px;
  z-index: 2;
  padding-bottom: var(--space-16);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
}

.card {
  background-color: var(--card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--primary-100);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.dark .card-icon {
  background-color: var(--primary-900);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

.card p {
  margin-bottom: var(--space-4);
  color: var(--muted-foreground);
}

.card-link {
  margin-top: auto;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.card-link i {
  transition: transform var(--transition-fast);
}

.card-link:hover i {
  transform: translateX(4px);
}

/* Page Header */
/* .page-header {
  background: linear-gradient(135deg, var(--primary-500), var(--info-500));
  color: white;
  padding: var(--space-16) 0 var(--space-8);
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--space-2);
}

.page-header .subtitle,
.page-header .last-updated {
  opacity: 0.9;
  font-size: 1.125rem;
} */

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: white;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb .separator {
  margin: 0 var(--space-2);
  font-size: 0.75rem;
}

.breadcrumb .current {
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
  font-size: 1rem;
  line-height: 1;
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.btn-primary:hover {
  background-color: var(--primary-600);
  color: var(--primary-foreground);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
}

.btn-secondary:hover {
  background-color: var(--gray-300);
  color: var(--secondary-foreground);
}

.btn i {
  margin-right: var(--space-2);
}

/* Footer */
.primary-footer {
  background-color: var(--muted-background);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand p {
  color: var(--muted-foreground);
  margin-bottom: var(--space-4);
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--background);
  color: var(--muted-foreground);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.social-links a:hover {
  background-color: var(--primary);
  color: white;
}

.footer-nav h4,
.footer-contact h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-4);
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: var(--space-2);
}

.footer-nav a {
  color: var(--muted-foreground);
}

.footer-nav a:hover {
  color: var(--primary);
}

.footer-contact address {
  font-style: normal;
  color: var(--muted-foreground);
}

.footer-contact p {
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
}

.footer-contact i {
  margin-right: var(--space-2);
  color: var(--primary);
}

.footer-contact a {
  color: var(--muted-foreground);
}

.footer-contact a:hover {
  color: var(--primary);
}

.copyright {
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  color: var(--muted-foreground);
  border-top: 1px solid var(--border);
  gap: var(--space-4);
}

.legal-links {
  display: flex;
  gap: var(--space-6);
}

.legal-links a {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.legal-links a:hover {
  color: var(--primary);
}

/* Animations */
.fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
  animation-delay: 0.2s;
}

.delay-2 {
  animation-delay: 0.4s;
}

.delay-3 {
  animation-delay: 0.6s;
}

.delay-4 {
  animation-delay: 0.8s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Styles */
@media (max-width: 768px) {
  .primary-nav .nav-list {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.25rem;
  }
  
  .hero p {
    font-size: 1.125rem;
  }
  
  /* .page-header h1 {
    font-size: 2rem;
  }
  
  .page-header .subtitle,
  .page-header .last-updated {
    font-size: 1rem;
  }
   */
  .copyright {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-16) 0;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  /* .page-header h1 {
    font-size: 1.75rem;
  } */
  
  .legal-links {
    flex-direction: column;
    gap: var(--space-2);
    align-items: center;
  }
  
  .hero-buttons {
    flex-direction: column;
    gap: var(--space-3);
  }
  
  .btn {
    width: 100%;
  }
}